Sonia walks due east with a speed of two m/s. Bryan walks north with a speed of two m/s. Which statement best describes the relationship between their velocities?
A. Their velocities are different because their speeds are not the same.
B. Their velocities are the same because they are both traveling at two m/s.
C. Their velocities are different because they are walking in different directions.
D. Their velocities are the same because Sonia is walking east and Bryan is walking north.